Circulatory system
What does the circulatory system do?
The circulatory system transports blood,oxygen,nutrients,hormones,and waste product through the body
What’s the main job of the respiratory system?
The respiratory system’s main job is to provide us with oxygen and get rid of carbon dioxide.
What does the digestive system do?
The digestive system breaks down food and extracts the nutrients from it.
What’s the skeletal system about?
The skeletal system is all of the bones in our body.
What’s the muscular system about?
The network of muscles that allow you to move and maintain your posture.
What do veins carry to the heart?
Veins carry oxygen depleted blood back to the heart.
What do lungs do?
The lungs send oxygen to the heart,the lungs also releases carbon dioxide.
What does the small intestine do in this system?
The small intestine gets acids from the liver and pancreas to break down food even further.
1.It gives us support to stand up and move our body.
2.Our bones protect our internal organs.Like our brain.
3.The bones hold our muscles in place allowing us to move.
4.Our bones produce white and red blood cells.These help fight infections and diseases
What ae the 3 types of muscles
1.Smooth muscles-These are muscles we can’t control
2.Skeletal muscles-These are muscles attached to bones
3.Cardiac muscles-Our heart is known as the cardiac muscle
The pulmonary artery carry’s used blood from the heat to the lungs.
What do the lungs do in this system?
The lungs fill blood with oxygen.The lungs also push out carbon dioxide when we exhale.
Name 5 organs used in this system?
1.Stomach
2.Liver
3.Pancreas4.Large intestine
5.Small intestine
What does bone marrow produce?
Bone marrow produces white and red blood cells.
What makes our muscles bigger and stronger?
Micro tears make our muscles stronger.These tears tell our body to get nutrients from the digestive system,to grow bigger and stronger muscles
What do the capillaries do in this system?
The capillaries connect arteries and veins together.They are tiny blood vessels.
The trachea is the air passageway directly to the lungs.
What is celiac disease?
Celiac disease means a person cannot digest gluten properly
How many bones does a full grown adult have?
A full grown adult has exactly 206 bones.
Give 3 examples of smooth muscles.
1.Both intestines-They have muscles that move food around.We cannot control this.
2.Brain-Our brain sends signals to all of our cells telling them to move,transport nutrients,and etc.We don’t control this.
3.Ears-We can’t control what we hear.This might be an annoying noise that’s bothering you.You have to shut your ears.
What does the right side of our heart do?
The right side of our heart, gets the used blood from the body, and pumps it to the lungs to fill the blood cells with oxygen.
What are the steps of the respiratory system?
1.We breathe in air through our lungs.They fill up and expand
2.Blood in our lungs picks up the oxygen from the alveoli.
3.The oxygen rich blood is sent through the circulatory system.
4.When the blood picks up the oxygen,it also brings from the alveoli.
5.The air is exhaled,and the carbon dioxide is sent out of the body
Why does water help digestion of food?
The water softens a lot of food making it easier for our stomach to absorb nutrients.
How many bones does a baby have at birth?
A newborn has around 300 bones.
What is atrophy?
Atrophy is when a muscle gets stronger.